diff --git a/NEWS b/NEWS
index 3056bf915..8fc7435ae 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,7 @@
 ver 0.18.5 (20??/??/??)
 * decoder
   - fluidsynth: auto-detect by default
+* fix ia64, mipsel and other little-endian architectures
 * fix build failures due to missing includes
 * fix build failure with static libmpdclient
 
diff --git a/src/system/ByteOrder.hxx b/src/system/ByteOrder.hxx
index 2124e92db..8beda61c7 100644
--- a/src/system/ByteOrder.hxx
+++ b/src/system/ByteOrder.hxx
@@ -36,10 +36,20 @@
 /* well-known little-endian */
 #  define IS_LITTLE_ENDIAN true
 #  define IS_BIG_ENDIAN false
-#else
+#elif defined(__MIPSEB__)
 /* well-known big-endian */
 #  define IS_LITTLE_ENDIAN false
 #  define IS_BIG_ENDIAN true
+#else
+/* generic compile-time check */
+#  include <endian.h>
+#  if __BYTE_ORDER == __LITTLE_ENDIAN
+#    define IS_LITTLE_ENDIAN true
+#    define IS_BIG_ENDIAN false
+#  else
+#    define IS_LITTLE_ENDIAN false
+#    define IS_BIG_ENDIAN true
+#  endif
 #endif
 
 static inline constexpr bool